The dulac box plant produces 500 cypress packing boxes in two-10 hour shifts. due to higher demand, dulac has decided to operate three eight-hour shifts instead. dulac is now able to produce 600 boxes per day. what has happened to production:
a. it has increased by 50 sets/shift
b. it has increased by 20 percent
c. it has increased by 37.5 sets/hr
d. it has decreased by 8.3 percent
e. it has decreased by 9.1 percent.

b. It has increased by 20 percent

Step-by-step explanation:

The Dulac Box plant produces 500 cypress packing boxes in two-10 hour shifts.

Means the plant produces 250 boxes in each 10 hour shift.

And per hour it produces: boxes

Due to higher demand, Dulac has decided to operate three eight-hour shifts instead. Dulac is now able to produce 600 boxes per day.

Means the plant produces 200 boxes in each 8 hour shift.

And per hour now it produces: boxes

Production rate is = %

Hence, the answer is : b. It has increased by 20 percent

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